package com.pmcc.utils;

/**
 * 生成10位激活码
 * Created by tomas on 2020/10/1.
 */
public class ActivationCodeUtil {

    private static String[] code={"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f","g","h","i","j","k","m","n","o","p","q",
            "r","s","t","u","v","w","x","y","z","A","B","C","D","E","F","G","H","I","J","K","L","M","N","P","Q","R","S","T",
            "U","V","W","X","Y","Z"};

    public static String getActivationCode(){
        int length = code.length;
        String str = "";
        for (int i=0;i<10;i++){
           double num= Math.random()*length;
           str += code[(int)num];
        }
        return str;
    }

}
